#include <stdio.h>
int main()
{
	int a=100;
	int *p1=&a;
	int **p2=&p1;
	scanf("%d",&a);
	printf("&a=%x\n",&a);
	printf("*p2=%x\n",*p2);
	printf("a=%d\n",a);
	printf("**p2=%d\n",**p2);
	return 0;
}
